Sink



FIG. 1 is a top front perspective view of a sink showing our new design;

FIG. 2 is a top plan view shown on an enlarged scale thereof;

FIG. 3 is a front elevation view shown on an enlarged scale thereof;

FIG. 4 is a right side elevation view shown on a greatly enlarged scale, the left side being a mirror image thereof; and,

FIG. 5 is a partial cross-sectional view shown on an even greater enlarged scale taken along line 5—5 shown in FIG. 2 thereof.

The jagged lines, especially in FIGS. 3-6, are the result of computer-generated drawings, and they do not denote jagged lines, edges, etc. as part of the claimed design. 

The ornamental design for a sink, as shown and described herein. 